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Alpha Lup

HIP 71860; Alpha Lup Star Lup Visible Level 1 Naked eye / Binoculars
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Physical Properties

Magnitude 2.30
Range 2.29 - 2.34
Period 6.2 hours
Variable Type Beta Cephei (Pulsating)
Spectral Type B2IV
Star Color Blue (B-V -0.20)
Distance 464 ly

Position & Identifiers

RA 14h 41m 55.8s
Dec -47° 23' 18.0"
Constellation Lup
HR 5469
HIP 71860
Bayer Alpha
Variable ID Alp Lup

Visibility

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Light Curve

Multiple Star System

Separation 25.2″
Companion Mag 14.0
Position Angle 232°
Star Colors A: Blue
Discoverer HDO 238

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Fusion

Stellar Notes

Beta C 2.29 - 2.34V, 0.2598466d. Period varies. Possible secondary period 3.145d. Modulation period 10y?
Sco-Cen assoc.; certain member of the Sco-Cen cluster; upper Cen group of Sco-Cen assoc.
Also classified B1.5Vn. Soft X-ray source.

Survey Image

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